Green Silver-Spangled Shark vs Neotropical otter

Cucullia argentea compared with Lontra longicaudis

Key Differences

• Green Silver-Spangled Shark is Critically Endangered while Neotropical otter is Data Deficient.

Taxonomic Classification

Rank	Green Silver-Spangled Shark	Neotropical otter
Kingdom same	Animalia (Animals)	Animalia (Animals)
Phylum	Arthropoda (Arthropods)	Chordata (Chordates)
Class	Insecta (Insects)	Mammalia (Mammals)
Order	Lepidoptera (Butterflies & Moths)	Carnivora (Carnivorans)
Family	Noctuidae	Mustelidae (Weasels & Otters)
Genus	Cucullia	Lontra
Species	Cucullia argentea	Lontra longicaudis

Evolutionary Relationship

Green Silver-Spangled Shark and Neotropical otter share a common ancestor at the Kingdom level: Animalia. (Animals)

Conservation Status

Green Silver-Spangled Shark

CR — Critically Endangered

Neotropical otter

DD — Data Deficient

Physical Characteristics

Attribute	Green Silver-Spangled Shark	Neotropical otter
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Green Silver-Spangled Shark

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and temperate grasslands and steppes within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Distributed across Denmark, Norway, Sweden, and Ukraine. Currently classified as Critically Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

Neotropical otter

Habitat

Typically found in diverse terrestrial and aquatic ecosystems.

Range

Distributed across Colombia, Ecuador, and Venezuela.